PrimeStone Construction Group is a licensed, structural engineer–owned design-build contractor serving the Denver metro and the Colorado Front Range. Whether you are remodeling a room, adding space, or building from the ground up, one team handles design, engineering, permits, and construction.
Remodeling Services
Update the home you already own, with structural changes engineered in-house. See all remodeling services →
Home Additions & Outdoor Living
Add space and usable square footage without moving. See all home additions & outdoor living →
New Construction
Build from the ground up with one design-build team. See all new construction →
Why Homeowners Choose PrimeStone
- Structural engineer–ownedLoad-bearing changes, foundations, and framing are engineered in-house.
- True design-buildDesign, engineering, permits, and construction under one contract.
- Permits handled for youWe prepare applications and manage inspections with your local building department.
- Built for ColoradoExpansive soils, snow loads, wildfire requirements, and altitude are part of every plan.
Ready to Start Your Project?
Where We Work
We serve homeowners across the Denver metro, the Front Range, and Colorado’s mountain communities. View all service areas →
Aspen · Aurora · Avon · Boulder · Breckenridge · Broomfield · Castle Rock · Centennial · Cherry Hills Village · Golden · Greenwood Village · Highlands Ranch · Lakewood · Silverthorne · Thornton · Vail · Westminster
Planning Your Budget?
Start with our 2026 cost guides: